How to Diagnose a Bad Catalytic Converter

Step-by-step guide to diagnosing a bad catalytic converter, including visual inspection, OBD-II scanning, and backpressure testing.

If your vehicle has been acting up lately, you might be wondering, “How to diagnose a bad catalytic converter?” The catalytic converter is a crucial component of your car’s exhaust system, designed to reduce harmful emissions by converting toxic gases into less harmful substances. When this part starts to fail, it can lead to a variety of issues that affect …

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